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Possible Duplicate:
My computer boots to a black screen, what options do I have to fix it?

Windows 7 is already installed on my system and then i tried to install Ubuntu 12.04 from a USB drive made with LILI program.

Now I am getting black screen or if I use other modes from F6 menu, I get error. How can I install Ubuntu on my system now? please give me a detailed step by step solution.

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marked as duplicate by Amith KK, LnxSlck, hexafraction, Geppettvs D'Constanzo, stephenmyall Oct 5 '12 at 11:53

This question was marked as an exact duplicate of an existing question.

check this:… – user61928 Oct 5 '12 at 11:15

Since you want to reinstall everything, I would suggest simply formatting the drive and installing ubuntu again. If something went wrong with the installation, this is probably the easiest way.

Burn the ubuntu installation ISO to a CD or DVD and boot from it. If it detects another OS, make sure to select the option to erase it and install ubuntu on the entire disk.

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Try ubuntus usb-creator-gtk to create bootable USB Medium. I don't know LILI.

  1. run usb-creator-gtk
  2. Select .iso to create a bootable usb stick from
  3. select usb drive to install to
  4. click create
  5. finished 6- reboot from just created usb drive
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This requires the OP has a Ubuntu machine to make the disk with. Unetbootin works well IMO. – hexafraction Oct 5 '12 at 11:17

Instead of LILI try to use YUMI . you can find instructions at

I think it will help you

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Welcome to AskUbuntu. Can you provide some detail about your answer? – penreturns Oct 8 '12 at 9:17

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